<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>动画</title>
    <link rel="stylesheet" href="./css/an.css">
</head>
<body>
    <div class="box jump">
        旋转跳跃
    </div>
    <div class="box bubble">
        bubble
    </div>
    <div class="box bor">
        border
    </div>
    <div class="box load">
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
    </div>
    <div class="box load2">
        <div class="item2"></div>
        <div class="item2"></div>
        <div class="item2"></div>
        <div class="item2"></div>
    </div>
    <div class="box ball">
        <div class="item3"></div>
        <div class="item3"></div>
        <div class="item3"></div>
        <div class="item3"></div>
        <div class="item3"></div>
    </div>
</body>
</html>